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关注：1
2013-05-23 12:21
求翻译：姜家湾矿薄煤层综采工作面各影响因素对开采效率影响程度分析是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
姜家湾矿薄煤层综采工作面各影响因素对开采效率影响程度分析
问题补充： |
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2013-05-23 12:21:38
Thin coal seams of the the ginger Chichiawan Mine mechanized mining face of each factor analysis of the impact of the extraction efficiency
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2013-05-23 12:23:18
He is a bay mine, coal surface mining exploitation to the various factors which influence effectiveness analysis
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2013-05-23 12:24:58
Jiang Jiawan the ore thin coal bed synthesis picks the working surface each influence factor to mine the efficiency influence analysis
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2013-05-23 12:26:38
Jiangjiawan mining thin coal seam fully-mechanized face impact analysis of influencing factors on production efficiency
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2013-05-23 12:28:18
正在翻译，请等待...
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